Home / 352,379.16-528,409.98-210,290.04

Finding the Fourth Proportional to 352,379.16, 528,409.98 and 210,290.04

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Solution

The fourth proportional to 352,379.16, 528,409.98 and 210,290.04 is: 315,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,379.16 : 528,409.98 = 210,290.04 : x
  2. Step 2: Convert to fraction form
    352,379.16/528,409.98 = 210,290.04/x
  3. Step 3: Cross multiply
    352,379.16x = 528,409.98 × 210,290.04
  4. Step 4: Simplify right side
    352,379.16x = 111,119,355,830.60
  5. Step 5: Solve for x
    x = 111,119,355,830.60/352,379.16
  6. Step 6: Final answer
    x = 315,340.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.